Rust

fix: Box `WindowFunction` in `ExprFuncKind` enum to reduce enum total… #145

Job	Run time
build and run with wasm-pack	6m 52s
linux build test	5m 32s
cargo test (macos-aarch64)	13m 56s
Verify Vendored Code	57s
Spell Check with Typos	6s
Verify MSRV (Min Supported Rust Version)	9m 53s
Check cargo fmt	42s
cargo check datafusion-common features	1m 13s
cargo check datafusion features	13m 58s
cargo check datafusion-substrait features	8m 57s
cargo doc	4m 29s
check Cargo.toml formatting	4m 9s
verify benchmark results (amd64)	11m 29s
cargo test (amd64)	22m 18s
cargo test pyarrow (amd64)	4m 46s
check configs.md and ***_functions.md is up-to-date	5m 44s
cargo check datafusion-proto features	4m 48s
cargo check datafusion-functions features	2m 44s
cargo test datafusion-cli (amd64)	5m 29s
cargo examples (amd64)	19m 27s
cargo test doc (amd64)	23m 29s
Run sqllogictest in Substrait round-trip mode	6m 58s
Run sqllogictest with Postgres runner	6m 33s
clippy	7m 13s
	3h 11m 42s

Provide feedback